Finding the Fourth Proportional to 13,469.50, 18,582.88 and 13,448.73

Step by Step Solution

1. Step 1: Write the proportion equation
   13,469.50 : 18,582.88 = 13,448.73 : x
2. Step 2: Convert to fraction form
   13,469.50/18,582.88 = 13,448.73/x
3. Step 3: Cross multiply
   13,469.50x = 18,582.88 × 13,448.73
4. Step 4: Simplify right side
   13,469.50x = 249,916,068.50
5. Step 5: Solve for x
   x = 249,916,068.50/13,469.50
6. Step 6: Final answer
   x = 18,554.23